Atomic Masses

Hydrogen

1.008

Helium

4.002

Lithium

6.941

Beryllium

9.012

Boron

10.811

Carbon

12.011

Nitrogen

14.007

Oxygen

15.999

Fluorine

18.998

Neon

20.180

Sodium

22.990

Magnesium

24.305

Aluminum

26.982

Silicon

28.086

Phosphorus

30.974

Sulfur

32.066

Chlorine

35.453

Argon

39.948

Potassium

39.098

Calcium

40.078

Scandium

44.956

Titanium

47.867

Vanadium

50.942

Chromium

51.996

Manganese

54.938

Iron

55.845

Cobalt

58.933

Nickel

58.693

Copper

63.546

Zinc

65.38

Gallium

69.723

Germanium

72.63

Arsenic

74.922

Selenium

78.96

Bromine

79.904

Krypton

83.80

Rubidium

85.468

Strontium

87.62

Yttrium

88.906

Zirconium

91.224

Niobium

92.906

Molybdenum

95.94

Technetium

98.00

Ruthenium

101.07

Rhodium

102.91

Palladium

106.42

Silver

107.87

Cadmium

112.41

Indium

114.82

Tin

118.71

Antimony

121.76

Tellurium

127.60

Iodine

126.90

Xenon

131.29

Cesium

132.91

Barium

137.33

Lanthanum

138.91

Cerium

140.12

Praseodymium

140.91

Neodymium

144.24

Promethium

145.00

Samarium

150.36

Europium

151.96

Gadolinium

157.25

Terbium

158.93

Dysprosium

162.50

Holmium

164.93

Erbium

167.26

Thulium

168.93

Ytterbium

173.04

Lutetium

174.97

Hafnium

178.49

Tantalum

180.95

Tungsten

183.84

Rhenium

186.21

Osmium

190.23

Iridium

192.22

Platinum

195.08

Gold

196.97

Mercury

200.59

Thallium

204.38

Lead

207.2

Bismuth

208.98

Polonium

209.00

Astatine

210.00

Radon

222.00

Francium

223.00

Radium

226.00

Actinium

227.00

Thorium

232.04

Protactinium

231.04

Uranium

238.03

Neptunium

237.00

Plutonium

244.00

Americium

243.00

Curium

247.00

Berkelium

247.00

Californium

251.00

Einsteinium

252.00

Fermium

257.00